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English definition of “clampdown”

clampdown

noun [C, usually singular]     /ˈklæmpdaʊn/
an action by a government or other authority to stop or control an illegal or unacceptable activity: In the wake of the attacks, a temporary security clampdown at border crossings has created major traffic jams.a clampdown on sth In a clampdown on tax fraud, more than 400,000 companies and public servants were audited last year.
(Definition of clampdown noun from the Cambridge Business English Dictionary © Cambridge University Press)
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